stabilized app

src/database.cpp

@@ -1,4 +1,9 @@
 #include "database.h"
+#include <pqxx/pqxx>
+#include <vector>
+#include <unordered_map>
+#include <string>
+#include <iostream>
 
 Database::Database(const std::string &conninfo)
 {
@@ -9,7 +14,9 @@ Database::Database(const std::string &conninfo)
         }
     } catch (const std::exception &e) {
         std::cerr << "[Database] Fehler beim Verbinden: " << e.what() << std::endl;
-        throw;  
+
+
+        throw;
     }
 }
 
@@ -48,32 +55,16 @@ void Database::prepare(const std::string &stmtName, const std::string &sql)
     }
 }
 
-#include <pqxx/pqxx>
-#include <vector>
-#include <unordered_map>
-#include <string>
-#include <iostream>
-#include <sstream>
-
-std::vector<std::unordered_map<std::string, std::string>> 
-Database::execute(const std::string &stmtName, const std::vector<std::string> &params)
-{
+Database::FieldList Database::execute(const std::string &stmtName, const std::vector<std::string> &params) {
     std::vector<std::unordered_map<std::string, std::string>> rows;
-
     try {
         pqxx::work txn(*connection_);
         pqxx::prepare::invocation inv = txn.prepared(stmtName);
-
-        // Parameter einzeln hinzufügen
         for (auto &p : params) {
             inv(p);
         }
-
-        // Ausführung
         pqxx::result r = inv.exec();
         txn.commit();
-
-        // Ergebnis verarbeiten
         for (const auto &row : r) {
             std::unordered_map<std::string, std::string> mapRow;
             for (pqxx::row::size_type i = 0; i < row.size(); ++i) {
@@ -91,6 +82,12 @@ Database::execute(const std::string &stmtName, const std::vector<std::string> &p
     return rows;
 }
 
+void Database::remove(const std::string &stmtName) {
+    pqxx::work txn(*connection_);
+    txn.conn().unprepare(stmtName);
+    txn.commit();
+}
+
 bool Database::isValid() const {
     try {
         if (!connection_ || !connection_->is_open()) {